Vulnerability Name:

CVE-2011-1995 (CCN-70123)

Assigned:2011-10-11
Published:2011-10-11
Updated:2022-02-28
Summary:Microsoft Internet Explorer 6 through 9 does not properly handle objects in memory, which allows remote attackers to execute arbitrary code by accessing an object that was not properly initialized, aka "OLEAuto32.dll Remote Code Execution Vulnerability."
CVSS v3 Severity:10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
6.9 Medium (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
9.3 High (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)
6.9 Medium (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-908
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2011-1995

Source: CCN
Type: SA46400
Microsoft Internet Explorer Multiple Vulnerabilities

Source: CCN
Type: Microsoft Security Bulletin MS11-099
Cumulative Security Update for Internet Explorer (2618444)

Source: CCN
Type: Microsoft Security Bulletin MS12-010
Cumulative Security Update for Internet Explorer (2647516)

Source: CCN
Type: Microsoft Security Bulletin MS12-023
Cumulative Security Update for Internet Explorer (2675157)

Source: CCN
Type: Microsoft Security Bulletin MS12-037
Cumulative Security Update for Internet Explorer (2699988)

Source: CCN
Type: Microsoft Security Bulletin MS12-044
Cumulative Security Update for Internet Explorer (2719177)

Source: CCN
Type: Microsoft Security Bulletin MS12-052
Cumulative Security Update for Internet Explorer (2722913)

Source: CCN
Type: Microsoft Security Bulletin MS11-081
Cumulative Security Update for Internet Explorer (2586448)

Source: CCN
Type: BID-49960
Microsoft Internet Explorer 'OLEAuto32.dll' CVE-2011-1995 Memory Corruption Vulnerability

Source: MS
Type: Patch, Vendor Advisory
MS11-081

Source: XF
Type: UNKNOWN
ms-ie-oleauto-code-execution(70123)

Source: OVAL
Type: Tool Signature
oval:org.mitre.oval:def:12838

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:internet_explorer:6:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_xp:-:sp2:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:microsoft:internet_explorer:7:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:-:-:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*
  • OR cpe:/o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:microsoft:internet_explorer:8:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_7:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2003:-:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:-:-:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:-:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_xp:-:sp2:*:*:professional:*:x64:*
  • OR cpe:/o:microsoft:windows_xp:-:sp3:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:microsoft:internet_explorer:9:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_7:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:-:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_vista:-:sp2:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:internet_explorer:6.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:internet_explorer:7.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:ie:8.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:12838
    V
    		OLEAuto32.dll Remote Code Execution Vulnerability
    2014-08-18
    BACK
    microsoft internet explorer 6
    microsoft windows server 2003 - sp2
    microsoft windows xp - sp2
    microsoft windows xp - sp3
    microsoft internet explorer 7
    microsoft windows server 2003 - sp2
    microsoft windows server 2008 - -
    microsoft windows server 2008 - sp2
    microsoft windows vista - sp1
    microsoft windows vista - sp2
    microsoft windows xp - sp2
    microsoft windows xp - sp3
    microsoft internet explorer 8
    microsoft windows 7 -
    microsoft windows server 2003 - sp2
    microsoft windows server 2008 - -
    microsoft windows server 2008 - sp2
    microsoft windows server 2008 r2 -
    microsoft windows server 2008 r2 sp1
    microsoft windows vista - sp1
    microsoft windows vista - sp2
    microsoft windows xp - sp2
    microsoft windows xp - sp3
    microsoft internet explorer 9
    microsoft windows 7 -
    microsoft windows 7 - sp1
    microsoft windows server 2008 - sp2
    microsoft windows server 2008 r2 -
    microsoft windows server 2008 r2 sp1
    microsoft windows vista - sp2
    microsoft ie 6.0
    microsoft ie 7.0
    microsoft ie 8.0